| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also known as Brown Aluminum Oxide, stands as a superior synthetic mineral famous for its extraordinary hardness and unparalleled wear resistance. Meticulously crafted through an intricate fusion process involving bauxite, iron filings, and anthracite in a high-temperature electric arc furnace, this remarkable product undergoes precise cooling, crushing, and screening to guarantee its superior quality. Its distinctive physical and chemical characteristics make it an indispensable element across a wide range of industrial applications, ensuring peak performance and long-lasting durability.
| TYPICAL CHEMICAL ANALYSIS | |
| Al2O3 | 99.54% |
| Na2O | 0.23% |
| SiO2 | 0.06% |
| Fe2O3 | 0.06% |
| PHYSICAL PROPERTIES | |
| Color | Brown |
| Shape | Angular grain shape |
| Crystal Form | Alpha alumina |
| Specific Gravity | 3.95 |
| Hardness | 2150 Knoop scale |
| Magnetic Material | 0.00% |
The artful creation of brown fused alumina (BFA) is a sophisticated, multi-stage process, flawlessly orchestrated to encompass raw material preparation, fusion, cooling, crushing, and meticulous classification. Dive into this insightful exploration of this remarkable process:
Raw Material Preparation:
Bauxite: As the cornerstone of our production, bauxite, renowned for its high alumina (Al2O3) content, is meticulously handpicked to ensure unparalleled quality with minimal impurities, setting the stage for exceptional performance.
Iron filings or scrap iron: Artfully integrated into the blend, these components facilitate the reduction process during fusion, thereby enhancing overall production efficiency.
Anthracite coal: Employed as a powerful reducing agent, this element is instrumental in driving the fusion process forward.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced to an electric arc furnace, where temperatures soar to an astounding 2000-2200°C (3632-3992°F) through electric arcs from carbon electrodes, igniting the transformative fusion process.
Reduction and Fusion: Amidst this tremendous heat, the alumina content in bauxite melts and interacts with the carbon from anthracite, resulting in the production of molten alumina. Concurrently, iron and other impurities are effectively reduced and segregated.
Cooling:
Cooling the Molten Alumina: The molten alumina is masterfully poured into molds or onto a cooling floor, where controlled cooling plays a pivotal role in crafting the desired crystal structure and size of the final product.
Formation of Ingots: As cooling progresses, the material solidifies into grand ingots or blocks of illustrious fused alumina, ready for further processing.
Crushing and Grinding:
Primary Crushing: The robust cooled ingots undergo an initial breakdown by jaw crushers or similar heavy machinery, paving the way for further refinement and processing.
Secondary Crushing and Grinding: During this stage, the material is meticulously crushed and ground to smaller sizes using cone crushers, roll crushers, and ball mills, persisting until the ideal particle size is achieved.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is passed through magnetic separators, which excel at eradicating iron particles and other metallic impurities to ensure purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina is systematically sieved into various grades based on particle size, utilizing vibrating screens and air classifiers to achieve exquisite precision.
Quality Control: Every batch undergoes rigorous testing for chemical composition, particle size distribution, and other quality metrics, guaranteeing adherence to stringent industry standards and delivering exceptional quality.
Brown fused alumina is celebrated across a multitude of industrial sectors for its remarkable hardness, impressive toughness, and high melting point that makes it indispensable:
Abrasives: Harness the unparalleled strength and consistency needed in crafting superior grinding wheels, sandpaper, blasting media, and a comprehensive range of other high-quality abrasive products.
Refractories: A cornerstone in the creation of refractory bricks, castables, and a host of other robust materials meticulously engineered to endure extreme temperatures without compromise.
Surface Preparation: The ultimate material choice for cleaning, deburring, and preparing surfaces, perfectly suited for the metalworking, automotive, and other precision-driven industries.
Ceramics: An indispensable component in ceramic products that demand ultimate durability and an exceptional resistance to thermal shock, ensuring their long-lasting performance and reliability.
| TYPICAL BULK DENSITY | |||||||
| Grit (F) | g/cm³ | Grit (F) | g/cm³ | Grit (F) | g/cm³ | Grit (F) | g/cm³ |
| 12 | 1.74 | 30 | 1.77 | 60 | 1.65 | 120 | 1.51 |
| 14 | 1.72 | 36 | 1.76 | 70 | 1.62 | 150 | 1.48 |
| 16 | 1.72 | 40 | 1.72 | 80 | 1.59 | 180 | 1.46 |
| 20 | 1.72 | 46 | 1.71 | 90 | 1.55 | 220 | 1.44 |
| 24 | 1.79 | 54 | 1.69 | 100 | 1.54 | ||
Drums and Barrels:
Weight: Typically available in 200 L (53 gallons) drums, ideal for substantial material handling.
Material: Crafted from strong metal or high-density polyethylene for unmatched durability.
Features: Tamper-evident seals and moisture-resistant design ensure secure and space-saving stackable storage.
Applications: Essential when protection from environmental factors is crucial, or for streamlined automated process handling.
Custom Packaging:
Options: Tailored packaging solutions customized to meet your specific requirements.
Features: Custom weights, materials, and labeling options to satisfy unique needs and preferences.
Applications: Perfect for specialized industries or unique applications with specific packaging standards.
Labeling and Documentation:
Identification: Clearly labeled with comprehensive product details, including grade, grit size, weight, and batch number.
Safety Information: Includes detailed safety and handling instructions on every label.
Compliance: Adheres to international shipping regulations and industry standards, ensuring safe transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a distinguished leader within the trading industry, passionately dedicated to the exceptional specialization of refractory materials and abrasive media. Seamlessly fusing deep industry insight with cutting-edge trade expertise, our esteemed company boasts state-of-the-art testing facilities and unrivaled technical proficiency. Gracefully located in the vibrant core of Luoyang city, Henan province, our two notable factories proudly carry a rich legacy of 24 illustrious years in the production of both Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Built upon a solid foundation of robust factory partnerships, we offer an exquisite selection of Cutting Wheels, Grinding Wheels, and Flap Discs at remarkably competitive prices. Our products are globally acclaimed and trusted, effortlessly meeting the complex and diverse economic and social demands of today's ever-evolving market. We are steadfast in our commitment to delivering quality and ensuring complete customer satisfaction, consistently propelling our products to the pinnacle of excellence and reliability.
At Luoyang Frere, we value long-lasting collaborations and are eager for the opportunity to join forces with your esteemed company. Our passionate and dedicated team is poised to support your endeavors and play a crucial role in your forthcoming success and growth journey.
At Frere company, we pride ourselves on a remarkable commitment to our customers that extends well beyond the initial purchase. Our comprehensive after-sales service is meticulously designed to ensure your continuous satisfaction and sustained success with our robust offerings. Here's the exceptional service experience you can expect when you choose us as your dedicated abrasive and refractory supplier:
1. Technical Support:
Our elite team of seasoned engineers and technical experts is on hand to provide unrivaled guidance and support. Whether you require assistance with selecting the ideal product, mastering advanced application techniques, or overcoming troubleshooting hurdles, we stand ready to ensure you achieve optimal outcomes.
2. Product Training:
We deliver comprehensive training programs designed to equip your team with essential knowledge for efficient and safe product use. Our sessions cover everything from fundamental handling procedures to advanced application strategies, all custom-made to fit your specific needs and requirements.
3. Warranty and Repairs:
Our products come with a robust warranty. Should any issues arise, our dedicated service team is prepared to provide swift repairs or replacements, ensuring minimal disruption to your business operations.
4. Regular Follow-ups:
We are champions of proactive customer service. Our team conducts regular follow-ups to evaluate product performance and gather your invaluable feedback. This iterative process enables us to continually hone and tailor our solutions to match your evolving needs seamlessly.
5. Maintenance Services:
To maximize the lifespan and boost the efficiency of our products, we offer specialized maintenance services. Our experts can assist in devising a maintenance schedule and provide on-site support to keep your equipment in top condition.
6. Rapid Response:
For pressing matters, our rapid response team is equipped to deliver immediate support. Recognizing the critical importance of timing in your operations, we resolve issues with unparalleled speed and efficacy.
7. Spare Parts Availability:
We maintain an extensive inventory of spare parts to ensure you swiftly obtain the components you need. Our efficient logistics network guarantees quick delivery, minimizing downtime and ensuring your operations run smoothly.
8. Customer Feedback Loop:
Your insights are immensely valuable to us. We actively seek your feedback on our products and services, utilizing it to drive continuous improvements. Our aim is to exceed your expectations at every turn.
9. 24/7 Customer Service:
Our dedicated customer service team is available around the clock, ready to address any questions or issues you might face. Whether it's a simple inquiry or an urgent situation, we stand ready to provide steadfast support.
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